A ruler can be very helpful in that situation.
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measure it
The area of a square or rectangle can be found by multiplying the length times the width. In a square both the length and width are the same measure.
perimeter is the measure around the figure; area is the measure within the figure formula: perimeter: length+length+width+width=perimeter (for square or rectangle) area: length times width= area ( for square or rectangle)
8 ft.
the length of a rectangle is 8 more than the width. the area os 345 centimeters. find the length and width of the rectangle